What is meant by sterile cockpit?
A、Crewmembersrefrainfromnonessentialactivitiesduringcriticalphasesofflight.
B、Crewmembersareseatedandbuckledattheirrequiredstations.
C、Allpreflightchecksarecompleteandtheaircraftisreadyforenginestarting.
发布时间：2026-01-07 20:12:17
